[OPENMP] Support relational-op != (not-equal) as one of the canonical 
forms of random access iterator
    
In OpenMP 4.5, only 4 relational operators are supported: <, <=, >, 
and >=.  This work is to enable support for relational operator 
!= (not-equal) as one of the canonical forms.

Patch by Anh Tuyen Tran
    
Differential Revision: https://reviews.llvm.org/D54441

llvm-svn: 347405
diff --git a/clang/test/OpenMP/target_simd_loop_messages.cpp b/clang/test/OpenMP/target_simd_loop_messages.cpp
index 760bfe0..4ab02e7 100644
--- a/clang/test/OpenMP/target_simd_loop_messages.cpp
+++ b/clang/test/OpenMP/target_simd_loop_messages.cpp
@@ -108,7 +108,7 @@
   for (int i = 0; !!i; i++)
     c[i] = a[i];
 
-// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+// Ok
 #pragma omp target simd
   for (int i = 0; i != 1; i++)
     c[i] = a[i];